Overview
The ADG333A, represented by the part number ADG333ABRS, is a monolithic complementary metal-oxide semiconductor (CMOS) device manufactured by Analog Devices Inc. This device comprises four independently selectable single-pole, double-throw (SPDT) switches. It is designed on an enhanced linear compatible CMOS (LC2MOS) process, which ensures low power dissipation, high switching speed, and low on-resistance. The ADG333A is suitable for a wide range of applications, including portable, battery-powered instruments, due to its ultralow power consumption and high performance characteristics.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit | Test Conditions/Comments |
|---|---|---|---|---|
| Analog Signal Range | VSS to VDD | VSS to VDD | V | |
| On Resistance (RON) | 20 Ω | 45 Ω | Ω | VD = ±10 V, IS = –1 mA |
| ΔRON | 5 Ω | Ω | VD = ±5 V, IS = –10 mA | |
| RON Match | 4 Ω | Ω | VD = ±10 V, IS = –10 mA | |
| Leakage Current (IS(OFF)) | ±0.1 nA | ±3 nA | nA | VD = ±15.5 V, VS = +15.5 V |
| Switch Time (tON, tOFF) | < 175 ns, < 145 ns | 90 ns, 80 ns (Typ) | ns | |
| Supply Voltage (Single) | 3 V ~ 30 V | V | ||
| Supply Voltage (Dual) | ±3 V ~ ±20 V | V | ||
| Operating Temperature | -40°C ~ 85°C | °C | ||
| Package | 20-Lead SSOP |
Key Features
- Extended Signal Range: The ADG333A has an analog signal range that extends to the power supplies, making it versatile for various applications.
- Low Power Dissipation: The device is designed to consume very low power, making it ideal for portable, battery-powered instruments.
- Low On Resistance (RON): With a maximum on-resistance of 45 Ω, the device ensures minimal signal attenuation and distortion.
- Fast Switching Times: The ADG333A features fast switching times with tON < 175 ns and tOFF < 145 ns, suitable for high-speed applications.
- Break-Before-Make Switching Action: All switches exhibit break-before-make switching action, which is essential for multiplexer applications.
- Low Charge Injection: The design inherently minimizes charge injection, ensuring clean signal switching.
Applications
- Portable, Battery-Powered Instruments: The low power dissipation and high performance make the ADG333A ideal for use in portable instruments.
- Audio and Video Signal Switching: The flat on-resistance profile over the full analog input range and high switching speed make it suitable for audio and video signal switching.
- Multiplexer Applications: The break-before-make switching action and low charge injection make the ADG333A suitable for multiplexer applications.
Q & A
- What is the ADG333A?
The ADG333A is a monolithic CMOS device comprising four independently selectable single-pole, double-throw (SPDT) switches.
- What is the maximum on-resistance of the ADG333A?
The maximum on-resistance (RON) is 45 Ω.
- What are the typical switching times for the ADG333A?
The typical switching times are tON < 175 ns and tOFF < 145 ns.
- What is the operating temperature range of the ADG333A?
The operating temperature range is -40°C to 85°C.
- What type of package is the ADG333ABRS available in?
The ADG333ABRS is available in a 20-Lead SSOP package.
- Does the ADG333A support single-supply operation?
Yes, the ADG333A can be operated from a single rail power supply, and it is fully specified with a single 12 V supply.
- What is the maximum leakage current for the ADG333A?
The maximum leakage current (IS(OFF)) is ±3 nA.
- Is the ADG333A RoHS compliant?
No, the ADG333ABRS is not RoHS compliant; it contains lead.
- What is the charge injection characteristic of the ADG333A?
The ADG333A has a low charge injection, typically 5 pC.
- Can the ADG333A be used in multiplexer applications?
Yes, the ADG333A is suitable for multiplexer applications due to its break-before-make switching action and low charge injection.
